Write and solve a proportion to answer the question. What number a is 25% of 78?

=25100
Question 2
a=

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

How do you find the area of a triangle

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75